Remove "temporary" debug log added for Issue 437827
Remove "temporary" debug log added for Issue 437827

Nine months hardly counts as temporary. We haven't seen this crash
since Chrome 37 anymore, so it's safe to say that the problem has
gone away since. (See http://shortn/_BgvwkKzYoX)

BUG=437827

Review URL: https://codereview.chromium.org/1398223004

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#353808}

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